General Information
Version
6.10
Revision date
2026-07-14
Product name
Methyllithium solution
Emergency telephone
+33 (0)9 75 18 14 07, +33 (0)1 45 42 59 59
Icons in SDS
Company Information
company name
Merck Life Science S.A.S
e-mail address of the competent person responsible for the Safety Data Sheet
servicetechnique@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H250, H260, H302, H314, H336
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger
Hazard statements
H225 Highly flammable liquid and vapour. H250 Catches fire spontaneously if exposed to air. H260 In contact with water releases flammable gases which may ignite spontaneously. H302 Harmful if swallowed. H314 Causes severe skin burns and eye damage. H336 May cause drowsiness or dizziness. EUH066 Repeated exposure may cause skin dryness or cracking.
Supplemental label elements
EUH019 May form explosive peroxides.
Precautionary statements
Prevention: P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P222 Do not allow contact with air. P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire. P231 + P232 Handle under inert gas. Protect from moisture.
Response
P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction.
Storage
P422 Store contents under inert gas.
Hazardous Ingredients
Diethyl ether methyllithium
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Flammable liquids, Category 2 H225: Highly flammable liquid and vapour. Pyrophoric liquids, Category 1 H250: Catches fire spontaneously if exposed to air. Substances, which in contact with H260: In contact with water releases water, emit flammable gases, flammable gases which may ignite Category 1 spontaneously. Acute toxicity, Category 4 H302: Harmful if swallowed. Skin corrosion, Category 1B H314: Causes severe skin burns and eye damage. Specific target organ toxicity - H336: May cause drowsiness or dizziness. single exposure, Category 3